Toothbrush



FIG. 1 is a perspective view of a toothbrush from above, showing our design;

FIG. 2 is a left side view of the appliance of FIG. 1;

FIG. 3 is a front side view of the appliance of FIG. 2;

FIG. 4 is a rear side view of the appliance of FIG. 2;

FIG. 5 is a top view of the appliance of FIG. 2; and,

FIG. 6 is a bottom plan view of the appliance of FIG. 2. 

The ornamental design for a toothbrush, as shown and described. 